Dr. Greene is a pediatrician in private practice, committed to giving extraordinary care to his patients. In addition, his mission includes improving the health of people around the world, focusing on children.

In 1995, he launched DrGreene.com, cited by the AMA as "the pioneer physician Web site". His award-winning site has received over 100 million Unique Users from parents, concerned family members, students, and healthcare professionals.


Dr. Greene is a graduate of Princeton University and the University of California at San Francisco. Upon completion of his pediatric residency program at Children's Hospital Medical Center of Northern California he served as Chief Resident. He entered primary care pediatrics in January 1993.


Dr. Greene is a Co-founder of doc.ai, a consumer-controlled, decentralized and secure health AI platform. Users choose who, when and how long to share their medical data via the doc.ai app. With the User's permission, the data can be part of powerful medical trials searching for previously hidden correlations.

Non-Profit Work

In 2010 Dr. Greene founded the WhiteOut Movement to change how babies in the United States are fed. In 2012 he founded TICC TOCC - Transitioning Immediate Cord Clamping To Optimal Cord Care.

Dr. Greene is the Founding President of the Society for Participatory Medicine and has served as both President and Board Chair of Hi-Ethics (Health Internet Ethics). He has served on the Board of Directors for One Heart World WideEat Real and The Lundberg Institute. Dr. Greene is the Past President of The Organic Center and a past member of the Board of Directors of Healthy Child Healthy World. He is a founding partner of the Collaborative on Health and the Environment. He has also served as an advisor to URAC for both their inaugural and their updated health web site accreditation program. He is a founding member of the e-Patient Scholars Working Group, and a founding board member of the Center for Information Therapy.


Dr. Greene is the author of Feeding Baby Green (Wiley, 2009), Raising Baby Green (Wiley, 2007), From First Kicks to First Steps (McGraw-Hill, 2004), The Parent's Complete Guide to Ear Infections (People's Medical Society, 1997), and a co-author of The A.D.A.M. Illustrated Family Health Guide (A.D.A.M., Inc., 2004). He is the medical expert for three additional books, The Parent's Soup A-to-Z Guide to Your New Baby, (Contemporary Books, 1998) The Parent's Soup A-to-Z Guide to Your Toddler, (Contemporary Books, 1999), and The Mother of All Baby Books, (Hungry Minds, Inc., 2002).

Public Speaking

Dr. Greene is a frequent keynote speaker at important events such as TEDx Berkeley, TEDx Brussels, Health 2.0, IFOAM (International Federation of Organic Agriculture Movements), held in Modena, Happiness and It's Causes, held in Sydney, the first European Internet health conference, held in Maastricht, the first International eHealth Association Conference, held in Jeddah, the largest e-Healthcare World Conference, held in Las Vegas, and the first Green Power Baby Shower, held in Hollywood.


Dr. Greene appears frequently on TV, radio, websites, and in newspapers and magazines around the world, including such venues as the TODAY Show, Good Morning America, Fox and Friends, The Dr. Oz Show, CNN, ABC, CBS, and NBC network news, NPR, The New York Times, The Wall Street Journal, USA Today, Time Magazine, Parade, Parents, Child, Baby Talk, Working Mother, Better Home's & Gardens, and the Reader's Digest.

Dr. Greene is the Pediatric Expert for The People's Pharmacy (as heard on many NPR stations) and Healing Quest (seen on many PBS stations). He was the original Pediatric Expert for both Yahoo! and iVillage and was a regular columnist for Parenting Magazine for several years.


Dr. Greene loves to think about challenging ideas, he enjoys being where nothing man made can be seen, and he wears green socks.



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Blog Posts by Alan Greene MD

    Heathcare worker preparing to do a nasal swab to determine if this is COVID or another of the many respiratory viruses.
    April 10, 2020
    Why OTHER Respiratory Viruses are More Important than Ever Before

    Video Transcript Hi, I’m Dr. Alan Greene and I want to talk with you for a moment about why other respiratory viruses are more important during the time of COVID than ever before — at leas…

    Black lettering on a yellow-gold background -- "wear a mask like a pro".
    April 9, 2020
    Wear A Mask Like a Pro

    Wear A Mask Like a Pro – English Hello, this is Dr. Greene – Eat REAL’s Chief Pediatrician He’s here to give you some tips on masks, but first, remember to save N95 masks for health ca…

    Woman's hands near sewing machine. She's making a COVID-19 mask. She needs a simple mask safety test.
    April 7, 2020
    Simple Mask Safety Test

    We’re sheltered in place. That’s a great thing. But we still need to go out occasionally for the essentials that can’t be delivered to our door. That means we need to start wearing m…

    Virus and blood cells. Viruses are not alive.
    March 20, 2020
    Viruses Are Not Quite Alive and Not Quite Dead, and Other Things to Know About COVID-19

    What they are capable of is replicating and adapting, and each virus has a unique way of doing that. Viruses are programmed to detect particular surface proteins or channels on the outside of a cell, …

    Young child sitting on a toilet. Senna can be used for natural constipation relief.
    March 15, 2020
    Senna: The True Ex-Lax

    Constipation is one of those not-so-exciting subjects that affects both children and adults from time to time, but because it is so common, it warrants a closer look. Bowel movements tend to occur abo…

    Asian girl sleeping. Did Zeitgebers help her get to sleep and stay asleep?
    March 7, 2020
    Zeitgebers & the Circadian Rhythm: Working With Environmental Cues to Encourage Healthy Sleep Habits

    Many parents spend countless nights on exploratory journeys, devising ways to convince their children that sleep is a good idea. In nature, animals fall asleep naturally and easily. Their bodies respo…

    Cov-2 Virus that causes COVID-19
    March 3, 2020
    Coronavirus & the Panic Pandemic

    Coronavirus or COVID-19 There are two things to keep in mind when considering the possible implications of any virus. One is the damage the virus itself can cause to a bodily system. The other is the …

    Teen girl with linguring cough at a pharmacy, coughing into her elbow.
    February 18, 2020
     It Just Won’t Go Away: Reasons For a Lingering Cough

    We’re used to coughing when we have a cold, but what about those coughs that seem to linger even after all other symptoms have disappeared? It turns out that what may seem like a nuisance can actual…

    Parent feeding a child watermelon while the child is in a bath. That much be a picky eater! I bet it's Neophobia.
    February 12, 2020
    Neophobia & the Battle to Try New Foods

    Perhaps you have a picky eater at home. Maybe she takes after mom or dad, or maybe this is a quality uniquely her own. Whatever the case, it’s important to recognize that we can change our perceptio…

    African American doctor looking into the ears of a young girl. Antibiotics are often prescribed for ear infections. Some times needlessly. This is part of the reason we have an antibiotic epidemic.
    January 24, 2020
    Ear Infections and the Antibiotic Epidemic

    We’re finding more and more that the prolific prescription of antibiotics is not the panacea it was once thought to be. Not only do antibiotics disrupt healthy digestion, but overuse can even lead t…

    Epsom Salt Bath salt in a wooden bowl with washcloths.
    November 14, 2019
    Epsom Salts Baths: A natural and effective muscle relaxant

    In nature, there are some biological processes that are almost unstoppable. Once the process is started it creates a cascade of reactions and, like a freight train barreling down the track, stopping i…

    Teen vaping on a dark street.
    November 7, 2019
    Teen Vaping: “I Did Not Have Sexual Relations with That Woman”

    By some reports, as many as 20 percent of high school students vape. And they often begin in middle school. Juul is the top-selling e-cigarette brand (and very cuul among kids). A single Juul pod can …

    Essential oils are the aroma, the essence, of plants like the lavender in this photo.
    August 26, 2019
    Are Essential Oils Essential?

    When it comes to food, the colors you see in plants provide powerful information. They often signal the rich nutrient density of the plant. When you look at a blueberry and see that color, you see del…

    The view from the ACT Telescope in the Andes Mountains.
    July 9, 2019
    Altitude Sickness & The Brain Stage of O2

    Podcast Transcript of Altitude Sickness & The Brain Stage of O2 Dr. Greene: (00:01) Hi, this is Dr. Greene MsGreene: (00:02) and Ms. Greene and greetings from Chile. Hola!. Dr. Greene: (00:06) Hol…

    CT Scans - Normal head CT image.
    June 18, 2019
    CTs, MRIs, Ultrasounds: Differences, Risk & Benefits

    What is a CT Scan? A machine whirs in an arc around a patient, snapping a rapid-fire series of x-rays from different angles. These x-ray snapshots are combined by a computer to produce virtual cross-s…

    Neuron in the brain on blue background. Neurons are key to The Brain Stage.
    May 22, 2019
    The Brain Stage: The Power & Promise of The Cephalic Phase for Health

      Listen to the Podcast or Read the Transcript [00:00:03] Hi I’m Dr. Alan Greene pediatrician and I’d like to talk with you tonight about The Brain Stage. [00:00:10] I remember vividl…

    Child with cucumbers on her eyes to ease itchy eyes.
    March 10, 2019
    Itchy Eyes: Allergies are Crying Out for Attention

     Itchy eyes often distract kids and decrease their ability to learn new material. If this weren’t bad enough, they can cause kids to sleep less well. For some kids, the difference in sleep can …

    Fear, Measles, and Protecting our Kids
    March 5, 2019
    Fear, Measles, and Protecting our Kids

    Claims that the MMR vaccine might cause inflammatory bowel disease or autism continue to haunt parents. I’m asked about the connection every week. The group that began the controversy, researche…

    Boy blowing his nose. Stuffy nose and cough for kids.
    February 26, 2019
    Stuffy Nose and Cough Remedies for Kids

    Kids are not small adults. That may seem like something so obvious that it goes without saying. Yet for decades the doses for many medicines, including over the counter cough and cold medicines were s…

    Wildfire with smoke in the air - Smoke and asthma treatment
    February 4, 2019
    Where there’s Fire, there’s Smoke: Poor air quality and asthma treatment

    When the wildfires hit Northern California, I knew it would be only a matter of time before the smoke drifted into the Bay Area and the air quality worsened. Predictably, children with asthma would be…